<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			.navbar-toggle:hover .icon-bar{
					background-attachment: ;ckground:white;
			}
			.ss:hover.bb{
				color: red;
				font-size: 4px;
			}
			.cc:hover+.bb{
				color: red;
			}
		</style>
	</head>
	<body>
		<button type="button" class="navbar-toggle" data-toggle="collapse" 	data-target="#collapse">
				<span class="sr-only">toggle</span>
				<span class="icon-bar"></span>
				<span class="icon-bar"></span>
				<span class="icon-bar"></span>
			</button>	
			<div class="ss">
				<p><span class="cc">教育改变生活</span>
				<p><span class="bb">教育改变生活</span>
				<p><span class="dd">教育改变生活</span>
				<p><span class="bb">教育改变生活</span>
			</div>
	</body>
</html>
